AU2002217274A1 - Overvoltage protection circuit - Google Patents
Overvoltage protection circuitInfo
- Publication number
- AU2002217274A1 AU2002217274A1 AU2002217274A AU1727402A AU2002217274A1 AU 2002217274 A1 AU2002217274 A1 AU 2002217274A1 AU 2002217274 A AU2002217274 A AU 2002217274A AU 1727402 A AU1727402 A AU 1727402A AU 2002217274 A1 AU2002217274 A1 AU 2002217274A1
- Authority
- AU
- Australia
- Prior art keywords
- protection circuit
- overvoltage protection
- overvoltage
- circuit
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0030992.2 | 2000-12-20 | ||
GBGB0030992.2A GB0030992D0 (en) | 2000-12-20 | 2000-12-20 | Overvoltage protection circuit |
PCT/GB2001/005641 WO2002050970A2 (fr) | 2000-12-20 | 2001-12-19 | Circuit de protection contre les surtensions |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2002217274A1 true AU2002217274A1 (en) | 2002-07-01 |
Family
ID=9905409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002217274A Abandoned AU2002217274A1 (en) | 2000-12-20 | 2001-12-19 | Overvoltage protection circuit |
Country Status (8)
Country | Link |
---|---|
US (1) | US20020075619A1 (fr) |
EP (1) | EP1344377A2 (fr) |
JP (1) | JP2004523151A (fr) |
CN (1) | CN1545794A (fr) |
AU (1) | AU2002217274A1 (fr) |
GB (1) | GB0030992D0 (fr) |
TW (1) | TW517389B (fr) |
WO (1) | WO2002050970A2 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100423526C (zh) * | 2004-03-22 | 2008-10-01 | Ut斯达康通讯有限公司 | 一种保证本地交换机正常工作的方法 |
DE102005029867B3 (de) * | 2005-06-27 | 2007-02-22 | Siemens Ag | Schutzschaltung in einer Einrichtung zur Einkopplung von Fernspeisespannungen |
US20070263332A1 (en) * | 2006-05-11 | 2007-11-15 | Silicon Laboratories, Inc. | System and method for high voltage protection of powered devices |
US7821758B1 (en) | 2006-11-16 | 2010-10-26 | Adtran, Inc. | Systems and methods for reducing intermodulation distortion |
CN1975446B (zh) * | 2006-12-12 | 2010-05-12 | 天津市诺尔电气有限公司 | 可控硅触发电流检测预警电路 |
US7773354B2 (en) * | 2006-12-22 | 2010-08-10 | Silicon Laboratories, Inc. | Voltage protection circuit for power supply device and method therefor |
US9025296B2 (en) * | 2011-01-06 | 2015-05-05 | Littelfuse, Inc. | Transient voltage suppressor |
US10128738B2 (en) * | 2016-07-08 | 2018-11-13 | Infineon Technologies Ag | Determination of entering and exiting safe mode |
US11387648B2 (en) * | 2019-01-10 | 2022-07-12 | Analog Devices International Unlimited Company | Electrical overstress protection with low leakage current for high voltage tolerant high speed interfaces |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4484244A (en) * | 1982-09-22 | 1984-11-20 | Rca Corporation | Protection circuit for integrated circuit devices |
US4876620A (en) * | 1988-09-29 | 1989-10-24 | Northern Telecom Limited | Protection devices and arrangements for telephone lines |
CA2095500C (fr) * | 1992-06-08 | 1997-09-23 | Dimitris Jim Pelegris | Appareil de protection contre les surtensions pour ligne telephonique et methode connexe |
KR0159728B1 (ko) * | 1996-01-29 | 1999-01-15 | 김광호 | 전용선을 가지는 사설교환기의 과전압 차단회로 |
-
2000
- 2000-12-20 GB GBGB0030992.2A patent/GB0030992D0/en not_active Ceased
-
2001
- 2001-12-18 TW TW090131335A patent/TW517389B/zh not_active IP Right Cessation
- 2001-12-18 US US10/024,402 patent/US20020075619A1/en not_active Abandoned
- 2001-12-19 EP EP01271681A patent/EP1344377A2/fr not_active Withdrawn
- 2001-12-19 CN CNA018224326A patent/CN1545794A/zh active Pending
- 2001-12-19 WO PCT/GB2001/005641 patent/WO2002050970A2/fr not_active Application Discontinuation
- 2001-12-19 AU AU2002217274A patent/AU2002217274A1/en not_active Abandoned
- 2001-12-19 JP JP2002551961A patent/JP2004523151A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2002050970A2 (fr) | 2002-06-27 |
US20020075619A1 (en) | 2002-06-20 |
GB0030992D0 (en) | 2001-01-31 |
TW517389B (en) | 2003-01-11 |
EP1344377A2 (fr) | 2003-09-17 |
WO2002050970A3 (fr) | 2002-08-29 |
CN1545794A (zh) | 2004-11-10 |
JP2004523151A (ja) | 2004-07-29 |
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